Never believe it shall reach the specified vacuum. That's an optimum ever reached under lab circumstances ! Its build to move air, not to maintain vacuum. These pumps have membrane valves, that will never close tightly the are intended for flow, not vacuum. Read the 7th review written by 'Dave' (10/19/210) and particularly the review from 'unhappy customer' at the bottom of the first page (date 9/20/210).
eric -----Original Message----- From: neonixie-l@googlegroups.com [mailto:neonixie-l@googlegroups.com] On Behalf Of mike Sent: woensdag 18 januari 2012 5:16 To: neonixie-l Subject: [neonixie-l] Re: Homemade Nixie tubes project: Help with vacuum technology needed here is one cheep http://www.harborfreight.com/a-c-manifold-gauge-set-92649.html mike -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To post to this group, send an email to neonixie-l@googlegroups.com. To unsubscribe from this group, send email to neonixie-l+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/neonixie-l?hl=en-GB.
